Ant打包可运行的Jar包（加入第三方jar包）

package com.alfred.main;

import com.alfred.bean.User;
import com.alfred.util.ProjConfig;
import com.thoughtworks.xstream.XStream;

public class Main {
	public static void main(String[] args) {
		User user = new User();
		user.setUsername("alfred");
		user.setAge(15);
		XStream xstream = new XStream();
		String xml = xstream.toXML(user);
		System.out.println("in Main");
		System.out.println("prop:"+ProjConfig.MY_PROPERTY);
		System.out.println("xml:"+xml);
	}
}

<?xml version="1.0" encoding="UTF-8"?>
<project basedir="." default="usage" name="antproj">
	<!-- 引入配置文件 -->
	<property file="build.properties" />
	<!-- 配置引用属性 -->
	<property name="src.dir" value="src" />
	<property name="config.dir" value="config" />
	<property name="build.dir" value="build" />
	<property name="lib.dir" value="lib" />
	<property name="name" value="antproj" />

	<path id="master-classpath">
		<fileset dir="${lib.dir}">
			<include name="*.jar" />
		</fileset>
		<pathelement path="${build.dir}" />
	</path>

	<target name="usage">
		<!-- 输出信息到控制台中 -->
		<echo message="" />
		<echo message="${name} build file" />
		<echo message="-----------------------------------" />
		<echo message="" />
		<echo message="Available targets are:" />
		<echo message="" />
		<echo message="build     --> Build the application" />
		<echo message="" />
	</target>

	<!-- 编译生成class文件 -->
	<target name="build"
		description="Compile main source tree java files">

		<!-- 删除编译存放的classes文件 -->
		<delete dir="${build.dir}/classes"></delete>
		<!-- 新建编译存放的classes文件 -->
		<mkdir dir="${build.dir}/classes" />
		<copy todir="${build.dir}/classes">
			<!-- 将项目中除会编译生成class文件的java文件之外其他类型的文件拷贝到对应的目录下，指定文件名后缀 -->
			<fileset dir="${src.dir}">
				<include name="**/*.properties" />
				<include name="**/*.xml" />
			</fileset>
			<fileset dir="${config.dir}">
				<include name="**/*.properties" />
			</fileset>
		</copy>
		<!-- java编译 -->
		<javac destdir="${build.dir}/classes" source="1.5" target="1.5"
			debug="true" deprecation="false" optimize="false" failonerror="true"
			encoding="utf-8">
			<src path="${src.dir}" />
			<!-- 编译所需要的jar包路径 -->
			<classpath refid="master-classpath" />
		</javac>
	</target>

	<target name="jar" depends="build"
		description="Compress the java class files to jar">

		<mkdir dir="${build.dir}/jar" />
		<delete file="${build.dir}/jar/${name}.jar" />
		<buildnumber file="${build.dir}/buildnum.txt" />
		<!-- 指定时间戳 可以调用TODAY -->
		<tstamp>
			<format property="TODAY" pattern="yyyy-MM-dd HH:mm:ss" />
		</tstamp>

		<!-- 生成清单文件 -->
		<manifest file="${build.dir}/MANIFEST.MF">
			<attribute name="Built-By" value="${user.name}" />
			<attribute name="Implementation-Version"
				value="${version.num}.${build.number}" />
			<attribute name="Built-Date" value="${TODAY}" />
			<attribute name="Main-Class" value="com.alfred.main.Main" />
		</manifest>

		<!-- 打包jar -->
		<!-- includes 包含哪些后缀文件 空格分隔 -->
		<jar destfile="${build.dir}/jar/${name}.jar"
			basedir="${build.dir}/classes"
			includes="**/*.class **/*.properties **/*.xml"
			manifest="${build.dir}/MANIFEST.MF">
			<zipfileset src="${lib.dir}/xstream-1.4.9.jar"></zipfileset>
			<zipfileset src="${lib.dir}/xpp3-1.1.3.3.jar"></zipfileset>
		</jar>
	</target>

	<target name="cleanup">
		<!-- 删除编译文件夹下的所有文件（不包括编译文件夹下的文件夹）
		<delete>
			<fileset dir="${build.dir}/classes" includes="**/*.*" />
		</delete>
		 -->
		<!-- 删除编译文件夹 -->
		<delete dir="${build.dir}/classes" />
	</target>
</project>